Intel Core Xeon Gold 6438M

Overview

Intel Xeon Gold 6438M Processor 60M Cache, 2.20 GHz

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Compatibility

Socket LGA 4677 (Socket E) Memory type DDR4 Interface PCIe 5.0 TDP 205 W

• Pairs with CPUs using the LGA 4677 (Socket E) socket.
• Requires DDR4 memory — not interchangeable with other generations.
• Draws up to 205 W — size your cooling and PSU headroom accordingly.

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

Showing 28 key specifications of 67

All values come from this product’s catalog record.

Cores

32

Threads

64

Base clock

2.2 GHz

Boost clock

3.9 GHz

Socket

LGA 4677 (Socket E)

TDP

205 W

Processor line

Intel Xeon Gold

Cache

60 MB

ECC support

Yes

Max case temperature (Tcase)

85 °C

DTS Max

97

64-bit support

Yes

Stepping

S3

Scalability

2S

Market segment

Server

Use conditions

Server/Enterprise

Memory channels

Octa-channel

Model

6438M

Bus speed

16 GT/s

Intel® OS Guard

Yes

Processor series

Intel Xeon Gold 6000 Series

Intel® Boot Guard

Yes

Low priority cores

20

Codename

Sapphire Rapids

Execute Disable (NX)

Yes

High priority cores

12

Generation

Intel Xeon Scalable 4th Gen

Dedicated graphics

No

Show all 67 specifications

Integrated graphics

No

CPU brand

Intel

PCI Express slots version

5.0

CPU operating modes

64-bit

Long-term availability

No

Instruction sets

AMX,AVX,AVX 2.0,AVX-512,SSE4.2

Intel® Crypto Acceleration

Yes

Intel® Run Sure Technology

Yes

Low priority core frequency

1.8

Dedicated GPU model

Not available

High priority core frequency

2.3

Integrated GPU model

Not available

Intel® Speed Shift Technology

Yes

Intel® Turbo Boost Technology

2.0

Intel® Total Memory Encryption

Yes

Mode-based Execute Control (MBE)

Yes

Trusted Execution (TXT)

Yes

PCIe lanes

80

Memory types supported by processor

DDR4-SDRAM

Intel® On Demand Feature Activation

Yes

AVX-512 Fused Multiply-Add (FMA) units

2

Virtualization (VT-x)

Yes

Intel® Advanced Matrix Extensions (AMX)

Yes

Intel® QuickAssist Software Acceleration

Yes

Intel VT-x with Extended Page Tables (EPT)

Yes

Intel Software Guard Extensions (Intel SGX)

Yes

Intel® Platform Firmware Resilience Support

Yes

Maximum Enclave Size Support for Intel® SGX

128

Intel® AES New Instructions (Intel® AES-NI)

Yes

Maximum internal memory supported by processor

6000

Intel® Optane™ DC Persistent Memory Supported

Yes

Intel® Transactional Synchronization Extensions

Yes

Intel® Control-flow Enforcement Technology (CET)

Yes

Intel® Resource Director Technology (Intel® RDT)

Yes

Intel® Deep Learning Boost (Intel® DL Boost) on CPU

Yes

Directed I/O virtualization (VT-d)

Yes

Intel® Hyper Threading Technology (Intel® HT Technology)

Yes

Intel® Speed Select Technology - Base Frequency (Intel® SST-BF)

Yes

Intel® Speed Select technology - Performance Profile (Intel® SST-PP)

Yes

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Sources

Brochure Fujitsu PY-CP66X6 icecat.biz Icecat product datasheet Icecat